Kool-Aid Man

When Kool-Aid Man enters the battlefield, you
may shout "Oh Yeah!" in your best Kool-Aid
Man voice. If so, you may destroy target land
featuring a wall in it's art.
Indestructible, haste, trample
{4}{r}{r}:phase out target creature.
{4}{r}{r}:take control of target creature.
Whenever you consume the entirety of a Kool-Aid
product, you gain 10 life.